[PATCH blktests] nvme/rc: specify hostnqn to hostid to nvme discover and connect

[Shinichiro Kawasaki]

On Jun 28, 2023 / 21:43, Shin'ichiro Kawasaki wrote:
> From: Max Gurtovoy <mgurtovoy at nvidia.com>
> 
> After the kernel commit ae8bd606e09b ("nvme-fabrics: prevent overriding
> of existing host"), 'nvme discover' and 'nvme connect' commands fail
> when pair of hostid and hostnqn is not provide. This caused failure of
> many test cases in the nvme group with kernel messages "nvme_fabrics:
> found same hostid XXX but different hostnqn YYY".
> 
> To avoid the failure, specify valid hostnqn and hostid to the nvme
> commands always. Prepare def_hostnqn and def_hostid even when
> /etc/nvme/hostnqn or /etc/nvme/hostid is not available. Using these
> values, add --hostnqn and --hostid options to the nvme commands in
> _nvme_discover() and _nvme_connect_subsys().

Thanks for the reviews and tests. I've applied it with changes Max suggested.